Research progress on the relationship between composition structure and mechanical properties of waterborne polyurethane and its dyeing properties

Abstract

Abstract: Compared with traditional solvent based polyurethane, waterborne polyurethane (WPU) has greatly reduced the use of organic solvents, which can effectively reduce environmental pollution, and is attracting more and more attention. However, the introduction of hydrophilic groups in WPU will affect its mechanical properties and limit the scope of use of WPU products. In this paper, the relationship between the composition, structure and mechanical properties of WPU was described, and the research status of WPU dyeing was introduced and summarized, in order to provide reference for the development of waterborne polyurethane microfiber leather.

Key words: waterborne polyurethane, hydrophilic group, composition and structure, mechanical property, microfiber synthetic leather, dyeing

摘要： 与传统溶剂型聚氨酯相比，水性聚氨酯(WPU)大大减少了有机溶剂的使用，可有效降低环境污染，正越来越受到人们的关注。然而，WPU中亲水基团的引入会影响其力学性能，限制了WPU产品的使用范围。本文对WPU组成结构和力学性能之间的关系进行了阐述，并对WPU染色方面的研究现状做了介绍和总结，以期为水性聚氨酯超纤革的开发提供借鉴和参考。

关键词: 水性聚氨酯, 亲水基团, 组成结构, 力学性能, 超细纤维合成革, 染色

CLC Number:

TS193.8

HAN Yulan, SONG Bing, LI Chunlin, DU Yuanyuan, NIU Jiarong. Research progress on the relationship between composition structure and mechanical properties of waterborne polyurethane and its dyeing properties[J]. Advanced Textile Technology, 2023, 31(3): 225-236.

韩雨兰, 宋兵, 李春霖, 杜远远, 牛家嵘. 水性聚氨酯组成结构与力学性能的关系及其染色性能的研究进展[J]. 现代纺织技术, 2023, 31(3): 225-236.

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